Answer
$$\cot t\tan t=1$$
Work Step by Step
$$A=\cot t\tan t$$
From a Reciprocal Identity:
$$\cot t=\frac{1}{\tan t}$$
which equals $$\cot t\tan t=1$$
In other words, $$A=1$$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 5 - Trigonometric Identities - Section 5.2 Verifying Trigonometric Identities - 5.2 Exercises - Page 208: 36
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